diff --git a/src/traffic/algorithms/openap.py b/src/traffic/algorithms/openap.py
index d3a1fc14..436b6c0b 100644
--- a/src/traffic/algorithms/openap.py
+++ b/src/traffic/algorithms/openap.py
@@ -16,6 +16,7 @@
     from ..core import Flight
 
 
+@impunity
 def compute_path_angle(
     vertical_rate: Annotated[npt.NDArray[np.float64], "m/s"],
     speed: Annotated[npt.NDArray[np.float64], "m/s"],